86372042 has 4 divisors (see below), whose sum is σ = 129558066. Its totient is φ = 43186020.

The previous prime is 86372017. The next prime is 86372057. The reversal of 86372042 is 24027368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75672601 + 10699441 = 8699^2 + 3271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21593009 + ... + 21593012.

Almost surely, 2^86372042 is an apocalyptic number.

86372042 is a deficient number, since it is larger than the sum of its proper divisors (43186024).

86372042 is a wasteful number, since it uses less digits than its factorization.

86372042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43186023.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 86372042 is about 9293.6560082671. The cubic root of 86372042 is about 442.0360903626.

The spelling of 86372042 in words is "eighty-six million, three hundred seventy-two thousand, forty-two".